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Finding the Fourth Proportional to 93,950.55, 140,940.41 and 31,616.19

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Solution

The fourth proportional to 93,950.55, 140,940.41 and 31,616.19 is: 47,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,950.55 : 140,940.41 = 31,616.19 : x
  2. Step 2: Convert to fraction form
    93,950.55/140,940.41 = 31,616.19/x
  3. Step 3: Cross multiply
    93,950.55x = 140,940.41 × 31,616.19
  4. Step 4: Simplify right side
    93,950.55x = 4,455,998,623.16
  5. Step 5: Solve for x
    x = 4,455,998,623.16/93,950.55
  6. Step 6: Final answer
    x = 47,429.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.